The Florissant Fossil Beds National Monument is a national monument located in Teller County, Colorado. The location is famous for the abundant and exceptionally preserved insect and plant fossils that are found in the mudstones and shales of the Florissant Formation. Based on argon radiometric dating, the formation is Eocene (approximately 34 million years old ) in age and has been interpreted as a lake environment. The fossils have been preserved because of the interaction of the volcanic ash from the nearby Thirtynine Mile volcanic field with diatoms in the lake, causing a diatom bloom. As the diatoms fell to the bottom of the lake, any plants or animals that had recently died were preserved by the diatom falls. Fine layers of clays and muds interspersed with layers of ash form "paper shales" holding beautifully-preserved fossils.Plan my day in Florissant using traveler tips and tourist information provided by Inspirock.
Florissant Fossil Beds National Monument reviews
We were here on a day when the visitor center was closed, but the park was open and we picked up a map and walked a loop to see the petrified trees. It was interesting to read how old they are... more »
The best exhibit is just outside the back door. It's incredible to see a tree that is so old. Nice trail to walk & a beautiful view of the mountains off in the distance. The Visitor Center was open... more »
Quite a unique place somewhat off the beaten path. Visitor's center and areas are well maintained and done. They are still trying to stabilize and figure out how to preserve the redwood stumps that remain. The rangers are very knowledgeable and have interesting programs. We happened to be there just after kids went back to school and many families were there with younger kids working on their Junior Ranger badges. Interesting natural history.
Really neat national park. My favorite are the petrified redwoods. Great walking trails through a high mountain meadow. Don't bring the dog though. They are not allowed on the trails except for the designated area.
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